https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212
--- Comment #61 from Kazumoto Kojima <kkojima at gcc dot gnu.org> --- Created attachment 33692 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33692&action=edit a possible patch I'm testing a patch to define a SH specific HARD_REGNO_CALLER_SAVE_MODE macro.